Remote Access Your Computer

Every Windows system includes command prompt; and while a lot of people on Null Byte and WonderHowTo in general know how to use it, some people don't know anything about it, even how to access it. Even if you aren't a Windows user, it's good to know how command prompt works b ...more

After a two-month delay, Apple has finally released iTunes 11, which was initially slated to be released alongside iOS 6. Video: . The new highly revamped music player is a substantial upgrade from the old version, but that isn't really saying much; iTunes has never really had ...more

SSH, or the secure shell, is a way of controlling a computer remotely from a command-line interface. While the information exchanged in the SSH session is encrypted, it's easy to spy on an SSH session if you have access to the computer that's being logged in to. Using a tool c ...more

Barrow's article on Pupy made me wish for a RAT that could target an OS frequently used by gatekeepers at startups, tech companies, and creative firms: macOS. Once run, a RAT can do severe damage by dumping a user's stored credentials for many accounts. The best loot lives in ...more

With a simple social engineering trick, sudo passwords can be captured in seconds without the target's knowledge. The passwords can then be saved to a file or exfiltrated to another computer on the network. After exploiting a system, penetration tester's and hackers will ofte ...more

With just one line of Ruby code embedded into a fake PDF, a hacker can remotely control any Mac computer from anywhere in the world. Creating the command is the easy part, but getting the target to open the code is where a hacker will need to get creative. Ruby is just one wa ...more

Passwords on Windows are stored as hashes, and sometimes they can be tough to crack. In certain situations, though, we can get around that by using the hash as is, with no need to know the plaintext password. It's especially interesting if we can manage to get the hash of an a ...more

Using just a small sticky note, we can trigger a chain of events that ultimately results in complete access to someone's entire digital and personal life. Imagine arriving home one night after work and there's a Post-it note on your apartment door with the website "your-name- ...more

With Virtual Network Computing, you don't need to carry a spare keyboard, mouse, or monitor to use your headless computer's full graphical user interface (GUI). Instead, you can connect remotely to it through any available computer or smartphone. Virtual Network Computing, be ...more

Many of our online accounts now come with an added two-factor authentication (2FA) functionality to help keep our data safe. This essentially means no one would be able to access the account until a specific set of requirements were met. It could be a combination of a password ...more

Earlier this week, Spiderlabs' vulnerability researcher Jonathan Claudius discovered a key in Windows 7 and 8 registries that makes it easy for anyone with physical or remote access to a computer get a hold of the user's password hints. When the "UserPasswordHint" key is read, ...more

For the most part, transferring files from your computer to your Nexus 7 (and vice versa) is a simple process. Just hook up your tablet to your computer with the USB cable and transfer. However, most of the time you'll need additional software on your computer to do this, and ...more

Hackers can be notoriously difficult to buy gifts for, so we've curated a list of the top 20 most popular items Null Byte readers are buying during their ethical-hacking studies. Whether you're buying a gift for a friend or have been dying to share this list with someone shopp ...more

A powered-off Windows 10 laptop can be compromised in less than three minutes. With just a few keystrokes, it's possible for a hacker to remove all antivirus software, create a backdoor, and capture webcam images and passwords, among other highly sensitive personal data. The ...more

Hello and welcome to my article. I have made this article for anyone who wants to become a hacker, and wants to know how to get started. OVERVIEW: As you'll get further into the hacking community, and learn more about how it's all put together, you'll also realize very quick ...more

Having an SSH or Secure SHell to tunnel your traffic through is something we have talked about many times at Null Byte. As we know, it allows us to securely route and encrypt our traffic through a remote server, effectively anonymizing us and protecting our traffic from all fo ...more

A recent TED Talk makes a strong case for the healthcare industry to adopt augmented reality as a means to expanding access to surgical care across the globe. During her presentation held in New Orleans in Nov. 2017, Nadine Hachach-Haram, surgeon and co-founder of Proximie, a ...more

Over the past decade, Marvel Studios has been a dominant force at the box office, raking in more than $21 billion dollars. Averaged out over that span of time, the yearly earnings of those movies outweigh the gross domestic product of some countries. And while those films hav ...more

A relay is an electrical component that works like a light switch, where it's turned on or off with an electrical signal. By connecting a relay to a Wi-Fi connected microcontroller like an ESP8266, you can build a connected switch that can be controlled from the web browser of ...more

Pull up outside any construction site and you'll see tools scattered about—hammers, jigsaws, nail guns, hydraulic pipe benders—these are the tools of the trade. You would be hard-pressed to build a home or office building with just your hands! On that same page, security profe ...more

After backdooring a MacBook not protected by FileVault or using a fake PDF to gain remote access, an attacker may wish to upgrade their Netcat shell to something more fully featured. While a root shell allows attackers to remotely modify most files on the MacBook, Empire featu ...more

You're at your friend's house. All you've heard about all day is his new laptop. He's got a brand new top-specced MacBook Pro, and he won't stop going on about it. It particularly annoys you as all you've got is a 4 year old cheap laptop, even if it is running Linux. If only ...more

Transferring hundreds of screenshots, webcam recordings, keystroke logs, and audio recordings between your VPS and a local Kali machine can be tricky. Services like Dropbox don't always have the best privacy policies and suffer data breaches just like any other website. To mit ...more

We use smartphones for just about everything, and while that may be beneficial to us in our day-to-day lives, it can also be used against us in the court of law. Law enforcement officials can seize smartphones and give warrants to Apple, Google, your cellular provider—whoever ...more

With so many cloud storage services out there, many people are starting to keep their important documents online, especially when they know they'll need to view them when they're away from their computer. That's all well and good, but I'm still human, and I forget things. Som ...more

Virtual reality headsets like the Oculus Rift and HTC Vive tether to desktop computers with robust GPUs in order to harness their power. The free-roaming, cordless Microsoft HoloLens forgoes those chains but loses a bit of graphical processing power in the mix. However, a rece ...more

A single movie download can consume a good ten percent of the storage on your Nexus 7 tablet, unless you went all crazy and opted for the 32GB model. Even then you're bound to run out of space fast, especially if you're like me and have tons of media files you want readily acc ...more

In a letter dated February 16th, Apple CEO Tim Cook responded to the FBI's demand that Apple create a "backdoor" to bypass the encryption on an iPhone used by one of the perpetrators of last year's terrorist attack in San Bernardino, CA. Cook began the letter by stating that A ...more

It looks like there is a fatal flaw in the current macOS High Sierra 10.13.1, even straight from the login menu when you first start up the computer. This severe vulnerability lets hackers — or anyone with malicious intentions — do anything they want as root users as long as t ...more

With chips in four out every five PCs made since 2010, few companies are as pervasive in modern computing as Intel. That's why an advisory released Monday, May 1, confirming a remotely exploitable vulnerability in all non-server business hardware made in the last seven years h ...more

Even though your phone has a built-in media player, it's got nothing on VLC. The popular third-party video player supports virtually every codec and file format, and even better, you can use it to stream movies, shows, and other video files from your computer to your phone. I ...more

When setting up a Raspberry Pi, it's easy to overlook changing the default password. Like many IoT devices, the Raspberry Pi's default Raspbian operating system installs with a widely-known default password, leaving the device vulnerable to remote access. Using a tool called r ...more

Using Netcat to backdoor a macOS device has its short-comings. If the compromised Mac goes to sleep, the Netcat background process will occasionally fail to terminate correctly; This leaves Netcat running infinitely in the background and the attacker with no new way into the d ...more

The misconception that macOS is more secure than the Windows operating system is far from the truth. With just one small command, a hacker can completely take over a MacBook and control it remotely. The sheer volume of Windows computers currently in operation around the world ...more

It's important to know who you're dealing with after hacking your target's MacBook. Getting remote access is simple, but covertly gathering information about the user and their system can be a challenge. Continuing with our situational awareness attacks, we'll be further orie ...more

Your social security number, credit card information, and medical history can fall into the wrong hands if you're not careful about how and where you share your data online. If you really care about your data, there are tools and techniques you can utilize to protect yourself ...more

Conducting phishing campaigns and hosting Metasploit sessions from a trusted VPS is important to any professional security researcher, pentester, or white hat hacker. However, the options are quite limited since most providers have zero-tolerance policies for any kind of hacki ...more

Reverse shells are useful for issuing commands to a remote client when the client is behind something such as a NAT. You might say, "But can't a normal shell or simple SSH tunnel do the same thing?". No, it can't. All over the internet I see a lot of confusion regarding the di ...more

When you're out and about in the dangerous world of Wi-Fi, it's hard for the average computer user to stay protected, or even know what being protected entails. Little do most people know, Windows 7 has a built-in security that few people take advantage of: a VPN (Virtual Priv ...more

SSH is what is referred to as the Secure SHell protocol. SSH allows you to do a plethora of great things over a network, all while being heavily encrypted. You can make a remote accessible shell on your home computer that gives you access to all your files at home, and you can ...more

Haven't you ever wanted to live in a futuristic home? I think that homes are headed towards an era where they will be controlled by our computers and smartphones. No longer will you have to find your keys to unlock your door, or wait until you get home to monitor your security ...more

Getting caught using your iPhone at school or work (when you're using it for personal reasons) can be a little bit embarrassing. Even worse, it can be detrimental to how you're perceived by your teacher or boss. But sometimes you just have to beat that next level of Candy Crus ...more

Imagine for a moment that a VPN is like putting on a disguise for your computer. This disguise works to change your IP address, secure your traffic with encryption, and mask your location to bypass regional restrictions. This makes it a helpful tool for both whistleblowers and ...more

A router is the core of anyone's internet experience, but most people don't spend much time setting up this critical piece of hardware. Old firmware, default passwords, and other configuration issues continue to haunt many organizations. Exploiting the poor, neglected computer ...more

It would only make sense that Google is one of the most active app developers on the Android platform, particularly when you consider that they develop the platform itself. From my count, there are an astounding 117 unique apps that the search giant and its subsidiaries have p ...more

As most everyone knows, Android and Apple don't get along so well. Even the users don't get along well, with Android and iPhone users constantly berating and insulting each other online—any chance they get. I should know, since I was one of them, but I'm now rare breed who's l ...more

SSH is a powerful tool with more uses than simply logging into a server. This protocol, which stands for Secure Shell, provides X11 forwarding, port forwarding, secure file transfer, and more. Using SSH port forwarding on a compromised host with access to a restricted network ...more

Welcome back, my aspiring hackers! Those of you who use Windows in a LAN environment understand that Windows machines can share directories, files, printers, etc. using "shares." This protocol dates back to the 1980s when the then dominant computer firm, IBM, developed a way ...more

Using shortcuts to control the playback of your music on your computer makes life just a little bit easier. Instead of needing to open up an app, we've shown you how to use keyboard shortcuts, a Notification Center widget, and even Siri to control music on your Mac. Now we're ...more